// LANGUAGE: +NameBasedDestructuring +DeprecateNameMismatchInShortDestructuringWithParentheses +EnableNameBasedDestructuringShortForm
// WITH_STDLIB

fun box(): String {
    val r1 = listOf("O", "K", "fail").let {
        [x, y] -> x + y
    }


    if (r1 != "OK") return "fail 1: $r1"

    val r2 = listOf(Pair("O", "K")).map { [x, y] -> x + y }[0]

    if (r2 != "OK") return "fail 2: $r2"

    return "OK"
}
